Nortel NT2H57UG, Руководство по установке

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4-4 Observing safety guidelines
Video Codec Enclosure (VCE) 323-3221-291 Rel 1.0 Standard
• Wipe clean or wash your hands after handling optical fibers. Small bits of
glass are almost invisible and can damage your eyes.
• Do not handle pieces of optical fiber with your bare fingers. Use tweezers
or the sticky side of a piece of vinyl tape to pick up and discard any loose
fiber ends.
• Place all optical fiber cuttings in a plastic bottle provided for that purpose.
• Handle optical fibers with care. Position them in a safe and secure location
during installation.
• Protect all optical fiber connectors with dust caps at all times.
• Follow the manufacturer’s instructions when using an optical test set.
Incorrect calibration or control settings could result in hazardous levels of
radiation.
Splicing optical fibers
During the splicing of any fiber, you might be required to look at the fiber using
an eye loupe (a small magnifier). Observe the following precautions:
• Before starting the splicing, power off all laser sources to the fiber or
disconnect the remote fiber end from the laser sources.
• Ensure that the laser sources stay disconnected or powered off, whether the
sources are located in a central office, subscriber premises, or a remote
location.
• Before starting the splicing, disconnect any optical test sets from the fiber
(whether locally or remotely connected).
• Use only the optical instruments approved by your company.
Repairing optical fibers
When there is an accidental break in the fiber, you must do the following:
• Notify both central-office and field-repair personnel of the problem.
• Identify to the central-office personnel where the fibers have been
damaged.
• Power off all laser sources to the fiber or disconnect remote fiber end from
the laser sources, whether the sources are located in a central office,
subscriber premises, or a remote location.
DANGER
Risk of eye injury
If there is any suspicion of a glass chip in your eye, seek
medical attention at once.